/* ============================================================
   OPUS · PREMIUM DESIGN-KIT   ·   /static/opus-premium.css
   Eine Quelle der Wahrheit für alle OPUS-Oberflächen.
   FMD-CI + v0-Premium-Patterns. Drop-in: alle Klassen sind
   mit .op- gepräfixt, der Aurora-Hintergrund ist OPT-IN
   (body.op-app) — Import bricht bestehende Layouts NICHT.
   Referenz: 04 Ressourcen/FMD-Design-Standard.md
   ============================================================ */

:root {
  /* ── Palette (FMD-CI) ── */
  --op-bg:        #0A0A0A;
  --op-bg-elev:   #101010;
  --op-ink:       #F0F0F0;
  --op-muted:     #888;
  --op-faint:     #555;
  --op-line:      #2A2A2A;
  --op-line-soft: #1F1F1F;
  --op-card:      linear-gradient(135deg, #141414 0%, #1A1A1A 100%);

  --op-cyan:    #1CA9CB;   /* Logo-Cyan (pixelgenau gesampelt) */
  --op-blue:    #213796;   /* Logo Royal-Blau · Signatur-Stop */
  --op-magenta: #AC0B80;   /* Logo-Magenta */
  --op-purple:  #7050A0;   /* optionale Tertiärfarbe — NICHT im Brand-Verlauf */
  --op-red:     #D41207;   /* Logo-Rot · kurzer Auftakt */

  /* Signatur-Verlauf · pixelgenau aus fmd-logo.png gesampelt (2026-06-29).
     Gewichtung wie im Logo: Rot/Magenta nur ~20% Auftakt, dann Royal-Blau,
     Cyan-Plateau über das letzte Viertel. KEIN Lila. */
  --op-brand:  linear-gradient(90deg,
     #D41207 0%, #B90D55 9%, #AC0B80 19%,
     #213796 28%, #1B5BA8 45%, #1C90C0 62%,
     #1CA9CB 78%, #1CA9CB 100%);
  --op-accent: linear-gradient(135deg, #1CA9CB 0%, #213796 100%);

  /* ── Radius ── */
  --op-r-sm:   9px;
  --op-r-md:   12px;
  --op-r-lg:   16px;
  --op-r-pill: 999px;

  /* ── Tiefe / Glow ── */
  --op-shadow-card: 0 24px 60px -34px rgba(0,0,0,.9), inset 0 1px 0 rgba(255,255,255,.03);
  --op-glow-cyan:   0 8px 22px -8px rgba(28,169,203,.6);
  --op-focus-ring:  0 0 0 3px rgba(28,169,203,.12);

  /* ── Typografie ── */
  --op-sans: 'Montserrat', -apple-system, system-ui, sans-serif;
  --op-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* ── Spacing-Skala (8·16·24·40·64·96) ── */
  --op-1: 8px; --op-2: 16px; --op-3: 24px; --op-4: 40px; --op-5: 64px; --op-6: 96px;
}

/* ── Atmosphäre · Aurora-Hintergrund (opt-in) ───────────────── */
.op-app {
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(16,160,192,.07), transparent 60%),
    radial-gradient(900px 500px at 85% 110%, rgba(174,14,128,.06), transparent 60%),
    var(--op-bg);
  color: var(--op-ink);
  font-family: var(--op-sans);
  -webkit-font-smoothing: antialiased;
}

/* ── Typografie ─────────────────────────────────────────────── */
.op-eyebrow {
  font-size: 10px; letter-spacing: 4px; text-transform: uppercase;
  font-weight: 600; color: var(--op-muted);
}
.op-h1 {
  font-weight: 200; letter-spacing: -.02em; line-height: 1.05;
  font-size: clamp(30px, 5vw, 64px); overflow-wrap: break-word;
}
.op-h1--brand {
  background: var(--op-brand);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.op-h1 b, .op-h1 strong { font-weight: 500; }
.op-h2 { font-weight: 300; letter-spacing: -.01em; font-size: clamp(22px, 3vw, 34px); line-height: 1.15; }
.op-h3 { font-weight: 500; font-size: 18px; letter-spacing: .2px; }
.op-lead { color: var(--op-muted); font-size: 15px; line-height: 1.6; }
.op-mono { font-family: var(--op-mono); font-size: 11px; letter-spacing: 1px; color: var(--op-muted); }

/* ── Karte ──────────────────────────────────────────────────── */
.op-card {
  background: var(--op-card);
  border: 1px solid var(--op-line);
  border-radius: var(--op-r-lg);
  box-shadow: var(--op-shadow-card);
  padding: var(--op-3);
}
.op-card--hover { transition: transform .2s, border-color .2s; }
.op-card--hover:hover { transform: translateY(-2px); border-color: var(--op-cyan); }
.op-card--glass {
  background: rgba(20,20,20,.55);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}

/* ── Buttons ────────────────────────────────────────────────── */
.op-btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: inherit; font-size: 12px; letter-spacing: .3px;
  padding: 10px 16px; border-radius: var(--op-r-sm);
  border: 1px solid var(--op-line); background: transparent; color: var(--op-ink);
  cursor: pointer; transition: all .18s;
}
.op-btn:hover { border-color: var(--op-cyan); background: rgba(16,160,192,.06); }
.op-btn svg { width: 15px; height: 15px; }

.op-btn--primary { background: var(--op-accent); border-color: transparent; color: #fff; box-shadow: var(--op-glow-cyan); }
.op-btn--primary:hover { filter: brightness(1.08); background: var(--op-accent); border-color: transparent; }
.op-btn--ghost { border-color: transparent; color: var(--op-muted); }
.op-btn--ghost:hover { color: var(--op-ink); background: rgba(255,255,255,.04); border-color: transparent; }
.op-btn--dashed { border-style: dashed; border-color: #3A3A3A; color: var(--op-muted); }
.op-btn--dashed:hover { border-color: var(--op-cyan); color: var(--op-ink); background: rgba(16,160,192,.06); }
.op-btn:disabled { opacity: .4; cursor: default; }

/* Icon-/Send-Button (quadratisch, Gradient bei aktiv) */
.op-icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 10px; padding: 0;
  border: 1px solid var(--op-line); background: transparent; color: var(--op-faint);
  cursor: pointer; transition: all .2s;
}
.op-icon-btn[data-active="1"], .op-icon-btn.is-active {
  background: var(--op-accent); border-color: transparent; color: #fff; box-shadow: var(--op-glow-cyan);
}
.op-icon-btn[data-active="1"]:hover, .op-icon-btn.is-active:hover { filter: brightness(1.08); }
.op-icon-btn svg { width: 17px; height: 17px; }

/* ── Chips ──────────────────────────────────────────────────── */
.op-chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--op-card); border: 1px solid var(--op-line-soft); color: var(--op-muted);
  font-family: inherit; font-size: 12px; letter-spacing: .2px;
  padding: 9px 15px; border-radius: var(--op-r-pill); cursor: pointer; transition: all .18s;
}
.op-chip:hover { color: var(--op-ink); border-color: var(--op-cyan); transform: translateY(-1px); }
.op-chip svg { width: 15px; height: 15px; opacity: .85; }

/* ── Status-Pill ────────────────────────────────────────────── */
.op-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--op-mono); font-size: 10px; letter-spacing: 1px;
  padding: 4px 10px; border-radius: var(--op-r-pill);
  border: 1px solid var(--op-line-soft); color: var(--op-muted); background: rgba(255,255,255,.02);
}
.op-pill--cyan { color: var(--op-cyan); border-color: rgba(16,160,192,.4); }

/* ── Eingabefelder ──────────────────────────────────────────── */
.op-field {
  width: 100%; background: var(--op-bg-elev); border: 1px solid var(--op-line); color: var(--op-ink);
  font-family: inherit; font-size: 14px; padding: 12px 16px; border-radius: var(--op-r-sm);
  outline: none; transition: border-color .2s, box-shadow .2s;
}
.op-field:focus { border-color: var(--op-cyan); box-shadow: var(--op-focus-ring); }
.op-field::placeholder { color: var(--op-faint); }

/* ── Composer (v0-Premium-Eingabe) ──────────────────────────── */
.op-composer {
  background: var(--op-card); border: 1px solid var(--op-line); border-radius: var(--op-r-lg);
  box-shadow: var(--op-shadow-card); transition: border-color .25s, box-shadow .25s;
}
.op-composer:focus-within { border-color: rgba(16,160,192,.55); box-shadow: var(--op-shadow-card), var(--op-focus-ring); }
.op-composer textarea {
  width: 100%; background: transparent; border: 0; outline: 0; resize: none;
  color: var(--op-ink); font-family: inherit; font-size: 15px; line-height: 1.5;
  padding: 16px 18px 4px; min-height: 56px; max-height: 208px;
}
.op-composer textarea::placeholder { color: var(--op-faint); }
.op-composer-bar { display: flex; align-items: center; justify-content: space-between; padding: 8px 10px 10px; gap: 10px; }
.op-composer-bar > div { display: flex; align-items: center; gap: 8px; }

/* ── Linien / Trenner ───────────────────────────────────────── */
.op-divider { height: 1px; border: 0; background: var(--op-brand); opacity: .5; }
.op-hr { height: 1px; border: 0; background: linear-gradient(90deg, transparent, var(--op-line), transparent); }

/* ── Status-Punkte ──────────────────────────────────────────── */
.op-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: #444; }
.op-dot.is-ok   { background: var(--op-cyan); box-shadow: 0 0 8px rgba(16,160,192,.6); }
.op-dot.is-fail { background: var(--op-red);  box-shadow: 0 0 8px rgba(212,19,8,.6); }

/* ── Motion (Failsafe: Endzustand = sichtbar) ───────────────── */
@media (prefers-reduced-motion: no-preference) {
  .op-rise { opacity: 0; transform: translateY(14px); animation: op-rise .6s cubic-bezier(.22,1,.36,1) forwards; }
  .op-d1 { animation-delay: .05s; } .op-d2 { animation-delay: .14s; }
  .op-d3 { animation-delay: .22s; } .op-d4 { animation-delay: .30s; }
  @keyframes op-rise { to { opacity: 1; transform: none; } }
}

/* ── Layout-Helfer (minimal) ────────────────────────────────── */
.op-container { width: 100%; max-width: 1100px; margin-inline: auto; }
.op-stack { display: flex; flex-direction: column; }
.op-row   { display: flex; align-items: center; }
.op-wrap  { flex-wrap: wrap; }
.op-gap-1 { gap: var(--op-1); } .op-gap-2 { gap: var(--op-2); } .op-gap-3 { gap: var(--op-3); }

@media (max-width: 520px) {
  .op-chip span { display: none; } .op-chip { padding: 9px; }
  .op-composer textarea { font-size: 16px; } /* iOS-Zoom-Schutz */
}